effects of shrink film wrapping and storage temperature on the shelf life and quality of pomegranate fruits cv：收缩膜包装和贮藏温度对石榴果实货架期和品质的影响. ganesh.pdfVIP

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effects of shrink film wrapping and storage temperature on the shelf life and quality of pomegranate fruits cv：收缩膜包装和贮藏温度对石榴果实货架期和品质的影响. ganesh.pdf

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effects of shrink film wrapping and storage temperature on the shelf life and quality of pomegranate fruits cv：收缩膜包装和贮藏温度对石榴果实货架期和品质的影响. ganesh

Postharvest Biology and Technology 22 (2001) 61–69 locatepostharvbio Effects of shrink ﬁlm wrapping and storage temperature on the shelf life and quality of pomegranate fruits cv. Ganesh S. Nanda, D.V. Sudhakar Rao *, Shantha Krishnamurthy Diision of Post Harest Technology, Indian Institute of Horticultural Research, Hessaraghatta Lake, Bangalore 560 089, India Received 2 May 2000; accepted 18 September 2000 Abstract The effects of individual shrink ﬁlm wrapping with two polyoleﬁn ﬁlms (BDF-2001 and D-955) and skin coating with a sucrose polyester (SPE) Semperfresh™ on the shelf life and quality of soft-seeded ‘Ganesh’ pomegranates (Punica granatum L.) stored at 8, 15 and 25°C were studied. The shrink-wrapped pomegranates could be stored for 12, 9 and 4 weeks as compared to 8, 6 and 2 weeks by SPE coating at 8, 15 and 25°C respectively, whereas non-wrapped fruits could be kept for 7, 5 and 1 week under similar storage conditions. Peel thickness and freshness and ﬁrmness of the fruit were retained and weight loss greatly reduced by shrink wrapping. The weight loss in shrink-wrapped fruits was 1.2–1.3% after 12 weeks of storage at 8°C and 2.2–3.7% after 10 weeks at 15°C. During the same period non-wrapped fruits lost 20.4 and 30.7% at 8 and 15°C, respectively. Changes in acidity, sugars and vitamin C of the shrink-wrapped fruits were lower than that of non-wrapped fruits during 12 weeks of storage at 8°C. Shrink wrapping also reduced the respiration rate of the fruit. No detectable levels of ethylene were produced during storage of pomegranates. © 2001 Elsevier Science B.V. All rights reserved. Keywords: